Home / 756,251.10-1,133,307.45-419,440.14

Finding the Fourth Proportional to 756,251.10, 1,133,307.45 and 419,440.14

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Solution

The fourth proportional to 756,251.10, 1,133,307.45 and 419,440.14 is: 628,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,251.10 : 1,133,307.45 = 419,440.14 : x
  2. Step 2: Convert to fraction form
    756,251.10/1,133,307.45 = 419,440.14/x
  3. Step 3: Cross multiply
    756,251.10x = 1,133,307.45 × 419,440.14
  4. Step 4: Simplify right side
    756,251.10x = 475,354,635,491.04
  5. Step 5: Solve for x
    x = 475,354,635,491.04/756,251.10
  6. Step 6: Final answer
    x = 628,567.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.